/*
Language: ActionScript
Author: Alexander Myadzel <myadzel@gmail.com>
*/

function(hljs) {
  var IDENT_RE = '[a-zA-Z_$][a-zA-Z0-9_$]*';
  var IDENT_FUNC_RETURN_TYPE_RE = '([*]|[a-zA-Z_$][a-zA-Z0-9_$]*)';

  var AS3_REST_ARG_MODE = {
    className: 'rest_arg',
    begin: '[.]{3}', end: IDENT_RE,
    relevance: 10
  };
  var TITLE_MODE = {className: 'title', begin: IDENT_RE};

  return {
    defaultMode: {
      keywords: {
        keyword: 'as break case catch class const continue default delete do dynamic each ' +
          'else extends final finally for function get if implements import in include ' +
          'instanceof interface internal is namespace native new override package private ' +
          'protected public return set static super switch this throw try typeof use var void ' +
          'while with',
        literal: 'true false null undefined'
      },
      contains: [
        hljs.APOS_STRING_MODE,
        hljs.QUOTE_STRING_MODE,
        hljs.C_LINE_COMMENT_MODE,
        hljs.C_BLOCK_COMMENT_MODE,
        hljs.C_NUMBER_MODE,
        {
          className: 'package',
          beginWithKeyword: true, end: '{',
          keywords: 'package',
          contains: [TITLE_MODE]
        },
        {
          className: 'class',
          beginWithKeyword: true, end: '{',
          keywords: 'class interface',
          contains: [
            {
              beginWithKeyword: true,
              keywords: 'extends implements'
            },
            TITLE_MODE
          ]
        },
        {
          className: 'preprocessor',
          beginWithKeyword: true, end: ';',
          keywords: 'import include'
        },
        {
          className: 'function',
          beginWithKeyword: true, end: '[{;]',
          keywords: 'function',
          illegal: '\\S',
          contains: [
            TITLE_MODE,
            {
              className: 'params',
              begin: '\\(', end: '\\)',
              contains: [
                hljs.APOS_STRING_MODE,
                hljs.QUOTE_STRING_MODE,
                hljs.C_LINE_COMMENT_MODE,
                hljs.C_BLOCK_COMMENT_MODE,
                AS3_REST_ARG_MODE
              ]
            },
            {
              className: 'type',
              begin: ':',
              end: IDENT_FUNC_RETURN_TYPE_RE,
              relevance: 10
            }
          ]
        }
      ]
    }
  }
}
